name = "qtx"
age = 32
msg1 = "我的名字是：%s,年龄是：%5d." % (name, age)
msg2 = "我的名字是：%s,年龄是：%-5d." % (name, age)
msg3 = "我的名字是：%s,年龄是：%05d." % (name, age)
print(msg1)
print(msg2)
print(msg3)
